H01H 2219/039
Selective or different modes of illumination
H01H2219/039 (Selective or different modes of illumination) appears on 264 US grants and 325 published applications in this corpus.
Search patents in H01H- Granted patents
- 264
- Published applications
- 325
- Assignees
- 171
- Inventors
- 578
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 4 |
| 2003 | 4 | 4 |
| 2004 | 4 | 9 |
| 2005 | 2 | 12 |
| 2006 | 3 | 12 |
| 2007 | 8 | 14 |
| 2008 | 8 | 16 |
| 2009 | 6 | 22 |
| 2010 | 9 | 18 |
| 2011 | 6 | 11 |
| 2012 | 18 | 11 |
| 2013 | 8 | 11 |
| 2014 | 11 | 6 |
| 2015 | 6 | 17 |
| 2016 | 13 | 14 |
| 2017 | 12 | 12 |
| 2018 | 14 | 19 |
| 2019 | 26 | 16 |
| 2020 | 20 | 22 |
| 2021 | 17 | 12 |
| 2022 | 19 | 13 |
| 2023 | 11 | 15 |
| 2024 | 8 | 16 |
| 2025 | 17 | 12 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light-emitting keyboard and backlight module7 Apr 2026US 12,597,570 B2Lite-On Electronics (Guangzhou) Limited
- Personal wellness keyboard using lighting and machine learning13 Jan 2026US 12,524,076 B2Google Inc.
- Smart key cap with transceiver18 Nov 2025US 12,474,785 B2Logitech Europe S. A.
- Control device having an integral reflecting structure for a sensing circuit4 Nov 2025US 12,464,623 B2Lutron Technology Company LLC
- Key structure21 Oct 2025US 12,451,303 B1Primax Electronics Ltd.
- Light-emitting keyboard9 Jul 2026US 2026/0196418 A1Lite-On Electronics (Guangzhou) Limited
- Keyboard assembly and keyboard device30 Apr 2026US 2026/0120974 A1Dongguan Xunmin Electronic Technology Co., Ltd.
- Control device having an integral reflecting structure for a sensing circuit26 Feb 2026US 2026/0059628 A1Lutron Technology Company LLC
- Light filtered multicharacter keycaps of a backlit keyboard5 Feb 2026US 2026/0038751 A1Lenovo Enterprise Solutions (Singapore) Pte.Ltd.
- Backlight module for lighting keyboard1 Jan 2026US 2026/0004980 A1Darfon Electronics Corp.
Most cited
By later US patents
- User interface for home automation system479US 6,140,987 AIntellinet, Inc. · 2000
- Illuminated pushbutton keyboard327US 5,408,060 ANokia Mobile Phones Ltd. · 1995
- Touch sensor panel with hidden graphic mode271US 5,239,152 ADonnelly Corporation · 1993
- Display keyboard214US 5,818,361 A1998
- User interface with guide lights180US 6,310,609 B1Nokia Mobile Phones Ltd. · 2001